Zashchirinskaya O.V., Ilina N.L., Arkhipova E.V., and Medina N.A. Bracamonte. “Motivation of Athletes: Individual and Group Running Lessons”. Theory and Practice of Physical Culture, no. 11 (January 26, 2025): 54–56. Accessed December 5, 2025. http://www.tpfk.ru/index.php/TPPC/article/view/1177.